A 5-Kg Object Is Moving to the Right at 4

question 12

Multiple Choice

A 5-kg object is moving to the right at 4 m/s and collides with another object moving to the left at 5 m/s.The objects collide and stick together.After the collision,the combined object:

• A)is moving to the right.
• B)is moving to the left.
• C)is at rest.
• D)has less kinetic energy than the system had before the collision.

---

Definitions:

Correlated

Describes the relationship between two variables where changes in one variable are associated with changes in another.

Null Hypothesis

A hypothesis that suggests there is no statistical significance in a set of given observations, implying no effect or relationship.

Linear Relationship

A relationship between two variables where the change in one variable is directly proportional to the change in another variable.

Pearson Correlation

A statistical measure that calculates the strength and direction of a linear relationship between two quantitative variables.